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2014年9月19日に発売されたこのiPhoneは4.7インチのスクリーンサイズでiPhone 6 Plusの縮小版です。

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iPhone not powering up after replacing Charging Port/3.5mm Jack Flex

I have recently replaced the following on the iPhone 6:

  • Charging Port/3.5mm Jack Flex Cable
  • Wi-Fi/GPS Antenna
  • Home Button
  • Rear/Bottom Case (Aluminium)

Everything was placed carefully but then I noticed that the Charging Port Flex FPC connector on the Logic Board has 3 damaged pins, not even sure how that happens when I gently connected everything back when I was re-assembling the iPhone.

My question is, if that would affect the iPhone to not turn on at all. I mean the connector on the Logic Board for where the Battery plugs in, every pin is good (checked with Zoom with a Phone Camera, that’s how I found out the damaged pins on the FPC connector for the Charging Port Flex cable.

The rest of the Flex cables are good, no damaged pins. Just the Charging Port Flex Cable connector (the one on the Logic Board, not the actual connector on the Flex cable) is the only one damaged.

Block Image

See the attached image, all the ones in Green are good, the one damaged is the one in Red

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Hi @jorgestark91

The minimum an iPhone needs to turn on is the charging port, battery, and screen. If you suspect the charging port isn’t working, try to connect a charged battery and connect the power button to turn it on.

Depending on what pins are bent and/or touching each other, they could be causing a major short which will prevent the phone from functioning. Here is a pinout so you can identify what the damaged pins are for:

Block Image

Any bold line is one that carries significant power and could cause problems. You should try to bend those pins back so that they can connect properly. If that isn’t possible, removing them will at least prevent them from causing problems.

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Thank you for the Diagram, yes, actually the pins broken (fall off) are marked in bold, so that's probably why the iPhone is not turning on. I am scheduled to replace the whole FPC connector on the Logic Board, hopefully that will fix the problem. I will update the post once I have replaced the FPC connector.

Thank you so much Jeff!

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Jorge Sanchez さん、ありがとうございました!
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